From 7979df5512bef6e1a67fbcc390817128fd4e7743 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@wolfbeast.com>
Date: Thu, 18 Jul 2019 19:09:05 +0200
Subject: Revert "Capture delayed events and cancel as necessary."

Tag #1052 (backout).
Backed out for creating issues like #1191 and other issue-less problems
with e.g. losing the caret from text boxes. Of note: this was also
backed out from m-c for similar reasons in Bug 1332433.
This fixes #1191.
This reverts commit 3424afccaebc71c4acd4fa9eadf519c408c5965b.
---
 layout/base/nsPresShell.cpp | 12 ------------
 layout/base/nsPresShell.h   |  4 ----
 2 files changed, 16 deletions(-)

(limited to 'layout/base')

diff --git a/layout/base/nsPresShell.cpp b/layout/base/nsPresShell.cpp
index dacc6603b..264b52b18 100644
--- a/layout/base/nsPresShell.cpp
+++ b/layout/base/nsPresShell.cpp
@@ -8178,9 +8178,6 @@ PresShell::HandleEventInternal(WidgetEvent* aEvent,
           }
         }
       }
-      if (aEvent->mMessage == eKeyDown) {
-        mIsLastKeyDownCanceled = aEvent->mFlags.mDefaultPrevented;
-      }
       break;
     }
     case eMouseUp:
@@ -8970,9 +8967,6 @@ PresShell::FireOrClearDelayedEvents(bool aFireEvents)
            !doc->EventHandlingSuppressed()) {
       nsAutoPtr<DelayedEvent> ev(mDelayedEvents[0].forget());
       mDelayedEvents.RemoveElementAt(0);
-      if (ev->IsKeyPressEvent() && mIsLastKeyDownCanceled) {
-        continue;
-      }
       ev->Dispatch();
     }
     if (!doc->EventHandlingSuppressed()) {
@@ -9767,12 +9761,6 @@ PresShell::DelayedKeyEvent::DelayedKeyEvent(WidgetKeyboardEvent* aEvent) :
   mEvent = keyEvent;
 }
 
-bool
-PresShell::DelayedKeyEvent::IsKeyPressEvent()
-{
-  return mEvent->mMessage == eKeyPress;
-}
-
 // Start of DEBUG only code
 
 #ifdef DEBUG
diff --git a/layout/base/nsPresShell.h b/layout/base/nsPresShell.h
index 10548880a..f20370d73 100644
--- a/layout/base/nsPresShell.h
+++ b/layout/base/nsPresShell.h
@@ -618,7 +618,6 @@ protected:
   public:
     virtual ~DelayedEvent() { }
     virtual void Dispatch() { }
-    virtual bool IsKeyPressEvent() { return false; }
   };
 
   class DelayedInputEvent : public DelayedEvent
@@ -643,7 +642,6 @@ protected:
   {
   public:
     explicit DelayedKeyEvent(mozilla::WidgetKeyboardEvent* aEvent);
-    virtual bool IsKeyPressEvent() override;
   };
 
   // Check if aEvent is a mouse event and record the mouse location for later
@@ -954,8 +952,6 @@ protected:
   // Whether the widget has received a paint message yet.
   bool                      mHasReceivedPaintMessage : 1;
 
-  bool                      mIsLastKeyDownCanceled : 1;
-
   static bool               sDisableNonTestMouseEvents;
 };
 
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